2.0TFSI Quattro Saloon/Sedan 310PS 8Y (OPF/GPF Models Only)
![Audi S3 2.0TFSI Quattro Saloon/Sedan 310PS 8Y (OPF/GPF Models Only) 2020 - 2025 Cat-back (OPF-back) výfuk - SSXAU1017](https://cdn.myshoptet.com/usr/www.milltekvyfuky.cz/user/shop/detail/25125_audi-s3-2-0tfsi-quattro-saloon-sedan-310ps-8y--opf-gpf-models-only--2020-2025-cat-back--opf-back--vyfuk-ssxau1017.jpg?65c6b09c)
Race System - 80mm Non-Resonated Cat Back with Polished Ovals (Loudest)
![Audi S3 2.0TFSI Quattro Saloon/Sedan 310PS 8Y (OPF/GPF Models Only) 2020 - 2025 Cat-back (OPF-back) výfuk - SSXAU1018](https://cdn.myshoptet.com/usr/www.milltekvyfuky.cz/user/shop/detail/25107_audi-s3-2-0tfsi-quattro-saloon-sedan-310ps-8y--opf-gpf-models-only--2020-2025-cat-back--opf-back--vyfuk-ssxau1018.jpg?65c6b09b)
Race System - 80mm Non-Resonated Cat Back with Cerakote Black Ovals (Loudest)
![Audi S3 2.0TFSI Quattro Saloon/Sedan 310PS 8Y (OPF/GPF Models Only) 2020 - 2025 Cat-back (OPF-back) výfuk - SSXAU1019](https://cdn.myshoptet.com/usr/www.milltekvyfuky.cz/user/shop/detail/25119_audi-s3-2-0tfsi-quattro-saloon-sedan-310ps-8y--opf-gpf-models-only--2020-2025-cat-back--opf-back--vyfuk-ssxau1019.jpg?65c6b09c)
Race System - 80mm Non-Resonated Cat Back with GT-115 Polished Tips (Loudest)
![Audi S3 2.0TFSI Quattro Saloon/Sedan 310PS 8Y (OPF/GPF Models Only) 2020 - 2025 Cat-back (OPF-back) výfuk - SSXAU1020](https://cdn.myshoptet.com/usr/www.milltekvyfuky.cz/user/shop/detail/25116_audi-s3-2-0tfsi-quattro-saloon-sedan-310ps-8y--opf-gpf-models-only--2020-2025-cat-back--opf-back--vyfuk-ssxau1020.jpg?65c6b09c)
Race System - 80mm Non-Resonated Cat Back with GT-115 Cerakote Black Tips (Loudest)
![Audi S3 2.0TFSI Quattro Saloon/Sedan 310PS 8Y (OPF/GPF Models Only) 2020 - 2025 Cat-back (OPF-back) výfuk - SSXAU1021](https://cdn.myshoptet.com/usr/www.milltekvyfuky.cz/user/shop/detail/25110_audi-s3-2-0tfsi-quattro-saloon-sedan-310ps-8y--opf-gpf-models-only--2020-2025-cat-back--opf-back--vyfuk-ssxau1021.jpg?65c6b09b)
Race System - 80mm Non-Resonated Cat Back with GT-115 Brushed Titanium Tips (Loudest)
![Audi S3 2.0TFSI Quattro Saloon/Sedan 310PS 8Y (OPF/GPF Models Only) 2020 - 2025 Cat-back (OPF-back) výfuk - SSXAU1022](https://cdn.myshoptet.com/usr/www.milltekvyfuky.cz/user/shop/detail/25113_audi-s3-2-0tfsi-quattro-saloon-sedan-310ps-8y--opf-gpf-models-only--2020-2025-cat-back--opf-back--vyfuk-ssxau1022.jpg?65c6b09b)
Race System - 80mm Non-Resonated Cat Back with GT-115 Burnt/Blue Titanium Tips (Loudest)
![Audi S3 2.0TFSI Quattro Saloon/Sedan 310PS 8Y (OPF/GPF Models Only) 2020 - 2025 Cat-back (OPF-back) výfuk - SSXAU1023](https://cdn.myshoptet.com/usr/www.milltekvyfuky.cz/user/shop/detail/25122_audi-s3-2-0tfsi-quattro-saloon-sedan-310ps-8y--opf-gpf-models-only--2020-2025-cat-back--opf-back--vyfuk-ssxau1023.jpg?65c6b09c)
Race System - 80mm Non-Resonated Cat Back with JET-115 Carbon Tips (Loudest)
![Audi S3 2.0TFSI Quattro Saloon/Sedan 310PS 8Y (OPF/GPF Models Only) 2020 - 2025 Cat-back (OPF-back) výfuk - SSXAU925](https://cdn.myshoptet.com/usr/www.milltekvyfuky.cz/user/shop/detail/25101_audi-s3-2-0tfsi-quattro-saloon-sedan-310ps-8y--opf-gpf-models-only--2020-2025-cat-back--opf-back--vyfuk-ssxau925.jpg?655cd710)
80mm Resonated Cat Back with Polished Trims - ECE Approved System
![Audi S3 2.0TFSI Quattro Saloon/Sedan 310PS 8Y (OPF/GPF Models Only) 2020 - 2025 Cat-back (OPF-back) výfuk - SSXAU926](https://cdn.myshoptet.com/usr/www.milltekvyfuky.cz/user/shop/detail/25095_audi-s3-2-0tfsi-quattro-saloon-sedan-310ps-8y--opf-gpf-models-only--2020-2025-cat-back--opf-back--vyfuk-ssxau926.jpg?655cd710)
80mm Resonated Cat Back with Cerakote Black Trims - ECE Approved System
![Audi S3 2.0TFSI Quattro Saloon/Sedan 310PS 8Y (OPF/GPF Models Only) 2020 - 2025 Cat-back (OPF-back) výfuk - SSXAU927](https://cdn.myshoptet.com/usr/www.milltekvyfuky.cz/user/shop/detail/25104_audi-s3-2-0tfsi-quattro-saloon-sedan-310ps-8y--opf-gpf-models-only--2020-2025-cat-back--opf-back--vyfuk-ssxau927.jpg?655cd711)
80mm Resonated Cat Back with Titanium Trims - ECE Approved System
![Audi S3 2.0TFSI Quattro Saloon/Sedan 310PS 8Y (OPF/GPF Models Only) 2020 - 2025 Cat-back (OPF-back) výfuk - SSXAU928](https://cdn.myshoptet.com/usr/www.milltekvyfuky.cz/user/shop/detail/25086_audi-s3-2-0tfsi-quattro-saloon-sedan-310ps-8y--opf-gpf-models-only--2020-2025-cat-back--opf-back--vyfuk-ssxau928.jpg?655cd70f)
80mm Resonated Cat Back with Burnt Titanium Trims - ECE Approved System
![Audi S3 2.0TFSI Quattro Saloon/Sedan 310PS 8Y (OPF/GPF Models Only) 2020 - 2025 Cat-back (OPF-back) výfuk - SSXAU929](https://cdn.myshoptet.com/usr/www.milltekvyfuky.cz/user/shop/detail/25089_audi-s3-2-0tfsi-quattro-saloon-sedan-310ps-8y--opf-gpf-models-only--2020-2025-cat-back--opf-back--vyfuk-ssxau929.jpg?655cd710)
80mm Resonated Cat Back with Carbon Trims - ECE Approved System
![Audi S3 2.0TFSI Quattro Saloon/Sedan 310PS 8Y (OPF/GPF Models Only) 2020 - 2025 Cat-back (OPF-back) výfuk - SSXAU930](https://cdn.myshoptet.com/usr/www.milltekvyfuky.cz/user/shop/detail/25092_audi-s3-2-0tfsi-quattro-saloon-sedan-310ps-8y--opf-gpf-models-only--2020-2025-cat-back--opf-back--vyfuk-ssxau930.jpg?655cd710)
80mm Resonated Cat Back with Cerakote Black Ovals - ECE Approved System
![Audi S3 2.0TFSI Quattro Saloon/Sedan 310PS 8Y (OPF/GPF Models Only) 2020 - 2025 Cat-back (OPF-back) výfuk - SSXAU931](https://cdn.myshoptet.com/usr/www.milltekvyfuky.cz/user/shop/detail/25098_audi-s3-2-0tfsi-quattro-saloon-sedan-310ps-8y--opf-gpf-models-only--2020-2025-cat-back--opf-back--vyfuk-ssxau931.jpg?655cd710)
80mm Resonated Cat Back with Polished Ovals - ECE Approved System
![Audi S3 2.0TFSI Quattro Saloon/Sedan 310PS 8Y (OPF/GPF Models Only) 2020 - 2025 Cat-back (OPF-back) výfuk - SSXAU932](https://cdn.myshoptet.com/usr/www.milltekvyfuky.cz/user/shop/detail/25080_audi-s3-2-0tfsi-quattro-saloon-sedan-310ps-8y--opf-gpf-models-only--2020-2025-cat-back--opf-back--vyfuk-ssxau932.jpg?65cbf66f)
80mm Non-Resonated Cat Back with Polished Trims (Louder)
![Audi S3 2.0TFSI Quattro Saloon/Sedan 310PS 8Y (OPF/GPF Models Only) 2020 - 2025 Cat-back (OPF-back) výfuk - SSXAU933](https://cdn.myshoptet.com/usr/www.milltekvyfuky.cz/user/shop/detail/25074_audi-s3-2-0tfsi-quattro-saloon-sedan-310ps-8y--opf-gpf-models-only--2020-2025-cat-back--opf-back--vyfuk-ssxau933.jpg?65cbf66f)
80mm Non-Resonated Cat Back with Cerakote Black Trims (Louder)
![Audi S3 2.0TFSI Quattro Saloon/Sedan 310PS 8Y (OPF/GPF Models Only) 2020 - 2025 Cat-back (OPF-back) výfuk - SSXAU934](https://cdn.myshoptet.com/usr/www.milltekvyfuky.cz/user/shop/detail/25083_audi-s3-2-0tfsi-quattro-saloon-sedan-310ps-8y--opf-gpf-models-only--2020-2025-cat-back--opf-back--vyfuk-ssxau934.jpg?65cbf66f)
80mm Non-Resonated Cat Back with Titanium Trims (Louder)
![Audi S3 2.0TFSI Quattro Saloon/Sedan 310PS 8Y (OPF/GPF Models Only) 2020 - 2025 Cat-back (OPF-back) výfuk - SSXAU935](https://cdn.myshoptet.com/usr/www.milltekvyfuky.cz/user/shop/detail/25065_audi-s3-2-0tfsi-quattro-saloon-sedan-310ps-8y--opf-gpf-models-only--2020-2025-cat-back--opf-back--vyfuk-ssxau935.jpg?65cbf66e)
80mm Non-Resonated Cat Back with Burnt Titanium Trims (Louder)
![Audi S3 2.0TFSI Quattro Saloon/Sedan 310PS 8Y (OPF/GPF Models Only) 2020 - 2025 Cat-back (OPF-back) výfuk - SSXAU936](https://cdn.myshoptet.com/usr/www.milltekvyfuky.cz/user/shop/detail/25068_audi-s3-2-0tfsi-quattro-saloon-sedan-310ps-8y--opf-gpf-models-only--2020-2025-cat-back--opf-back--vyfuk-ssxau936.jpg?65cbf66e)
80mm Non-Resonated Cat Back with Carbon Trims (Louder)
![Audi S3 2.0TFSI Quattro Saloon/Sedan 310PS 8Y (OPF/GPF Models Only) 2020 - 2025 Cat-back (OPF-back) výfuk - SSXAU937](https://cdn.myshoptet.com/usr/www.milltekvyfuky.cz/user/shop/detail/25071_audi-s3-2-0tfsi-quattro-saloon-sedan-310ps-8y--opf-gpf-models-only--2020-2025-cat-back--opf-back--vyfuk-ssxau937.jpg?65cbf66e)
80mm Non-Resonated Cat Back with Cerakote Black Ovals (Louder)
![Audi S3 2.0TFSI Quattro Saloon/Sedan 310PS 8Y (OPF/GPF Models Only) 2020 - 2025 Cat-back (OPF-back) výfuk - SSXAU938](https://cdn.myshoptet.com/usr/www.milltekvyfuky.cz/user/shop/detail/25077_audi-s3-2-0tfsi-quattro-saloon-sedan-310ps-8y--opf-gpf-models-only--2020-2025-cat-back--opf-back--vyfuk-ssxau938.jpg?65cbf66f)
80mm Non-Resonated Cat Back with Polished Ovals (Louder)
![Audi S3 2.0TFSI Quattro Saloon/Sedan 310PS 8Y (OPF/GPF Models Only) 2020 - 2025 HJS Tuning ECE Downpipes - SSXVW739](https://cdn.myshoptet.com/usr/www.milltekvyfuky.cz/user/shop/detail/36348_audi-s3-2-0tfsi-quattro-saloon-sedan-310ps-8y--opf-gpf-models-only--2020-2025-hjs-tuning-ece-downpipes-ssxvw739.jpg?65e7a7a0)
Fits to OE & Milltek Sport OPF Back Systems - Does not Require ECU Tuning & ECE Approved with Milltek Sport OPF Back Systems
![Audi S3 2.0TFSI Quattro Saloon/Sedan 310PS 8Y (OPF/GPF Models Only) 2020 - 2025 Large Bore Downpipe and Hi-Flow Sports Cat - SSXVW635](https://cdn.myshoptet.com/usr/www.milltekvyfuky.cz/user/shop/detail/25053_audi-s3-2-0tfsi-quattro-saloon-sedan-310ps-8y--opf-gpf-models-only--2020-2025-large-bore-downpipe-and-hi-flow-sports-cat-ssxvw635.jpg?655cd70d)
94mm / 3.7inch ID Turbo Outlet to 80mm / 3.15inch Downpipe with 200CPSI HJS Cat - Fits with Milltek OPF/GPF Back System Only
![Audi S3 2.0TFSI Quattro Saloon/Sedan 310PS 8Y (OPF/GPF Models Only) 2020 - 2025 Large Bore Downpipe and Hi-Flow Sports Cat - SSXVW636](https://cdn.myshoptet.com/usr/www.milltekvyfuky.cz/user/shop/detail/25056_audi-s3-2-0tfsi-quattro-saloon-sedan-310ps-8y--opf-gpf-models-only--2020-2025-large-bore-downpipe-and-hi-flow-sports-cat-ssxvw636.jpg?655cd70d)
94mm / 3.7inch ID Turbo Outlet to 80mm / 3.15inch Downpipe with 200CPSI HJS Cat - Fits with OE OPF/GPF Back System Only